Reagent reservoir



FIG. 1 is a perspective view of a reagent reservoir;

FIG. 2 is a top view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is an another side view thereof; and,

FIG. 5 is a cross-sectional view thereof, taken along the line 5—5 in FIG. 2.

Broken lines, where utilized, are for illustrative purposes only, are not part of the claimed invention, and do not limit the claimed design to the features shown in broken lines. 

The ornamental design for a reagent reservoir, as shown and described. 